20261621855

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{5197}}^1\times {\mathrm{25153}}^1$

素因数の和:30386

約数の個数: 16

約数和(自身を含む): 25104094464

約数和(自身を除く): 4842472609

約数列:

[1, 5, 31, 155, 5197, 25153, 25985, 125765, 161107, 779743, 805535, 3898715, 130720141, 653600705, 4052324371, 20261621855]

約数ペア:

[(1, 20261621855), (5, 4052324371), (31, 653600705), (155, 130720141), (5197, 3898715), (25153, 805535), (25985, 779743), (125765, 161107)]